B18.8 — Other chronic viral hepatitis
B18.8 is a billable, specific ICD-10-CM code for other chronic viral hepatitis. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Carrier of other viral hepatitis
Risk adjustment
B18.8 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 65 Chronic Hepatitis0.185 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
B18.8 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
How B18.8 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B18.8.
- Carrier of›HAA(hepatitis Australian-antigen)
- Carrier of›hepatitis›Australia-antigen(HAA)
- Carrier of›hepatitis›specified NEC
- Hepatitis›viral, virus›chronic›specified NEC
Related codes at this level
Codes that share B18. If B18.8 is not quite right, the correct code is usually one of these.
Questions about B18.8
- Is B18.8 a billable ICD-10-CM code?
- Yes. B18.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B18.8 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Viral hepatitis (B15-B19).